5-(Difluoromethyl)-2-methyl-3-(trifluoromethoxy)pyridine-4-carboxylic acid
4-(Difluoromethyl)-6-methyl-3-(trifluoromethoxy)pyridine-2-carboxylic acid
2-(Difluoromethyl)-6-methyl-3-(trifluoromethoxy)pyridine-4-carboxylic acid
3-(2,5-Dichlorophenyl)-6-methoxypicolinic acid